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		<h1>BÀI TẬP DỰA VÀO ĐỒ THỊ HÓA HỌC</h1>
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			<li>Thứ ba - 22/09/2020 11:10</li>
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			Bài tập 1. Khi nhỏ từ từ đến dư dung dịch HCl vào dung dịch hỗn hợp X gồm a mol NaOH và b mol K2CO3 kết quả thí nghiệm được biểu diễn trên đồ thị sau:<br /> <br />Hãy viết các phương trình phản ứng xảy ra và xác định tỉ lệ a:b.
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			<img alt="" height="121" src="https://khobaitap.com/uploads/news/2020_09/image_65.png" style="float:right" width="437" />Giải<br  />
<img alt="" height="178" src="https://khobaitap.com/uploads/news/2020_09/image_66.png" width="619" /><br  />
<span style="font-size:11pt"><span style="line-height:normal"><span style="font-family:Calibri,sans-serif"><b><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Bài tập 2.</span></span></b>&nbsp; </span></span></span>
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			<td style="width:281.85pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="376"><span style="font-size:11pt"><span style="line-height:normal"><span style="tab-stops:21.3pt"><span style="font-family:Calibri,sans-serif"><span style="font-size:12.5pt"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="color:rgb(0, 176, 240);">Cho m gam hỗn hợp Na, Na<sub>2</sub>O, Al, Al<sub>2</sub>O<sub>3</sub> vào nước thu được dung dịch X và 6,72 lít H<sub>2</sub> (ở đktc). Cho từ từ dung dịch HCl vào X, số mol kết tủa tạo thành phụ thuộc vào số mol HCl theo đồ thị bên. Biết các phản ứng xảy ra hoàn toàn. Tính giá trị của m?&nbsp;&nbsp; </span></span></span></span></span></span></span></td>
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			<td style="border:solid windowtext 1.0pt; width:521.5pt; padding:0cm 5.4pt 0cm 5.4pt" valign="top" width="695"><span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Bài tập 3</span></span></b><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">. Nhỏ từ từ dung dịch NaOH vào dung dịch X chứa 41,575 gam hỗn hợp gồm HCl, MgCl<sub>2</sub>, AlCl<sub>3</sub>. Tiến trình phản ứng được biểu diễn bởi đồ thị sau:</span></span></span></span></span><br  />
			<span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><span style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Tính giá trị của a.</span></span></span></span></span></td>
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Giải<br  />
<img alt="" height="123" src="https://khobaitap.com/uploads/news/2020_09/image_69.png" width="516" /><br  />
Giải<br  />
<img alt="" height="244" src="https://khobaitap.com/uploads/news/2020_09/image_70.png" width="683" /><br  />
<img alt="" height="219" src="https://khobaitap.com/uploads/news/2020_09/image_71.png" width="666" /><br  />
<span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><b><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Bài tập 4. </span></span></b><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Dung dịch A chứa x mol NaOH và y mol Na<sub>2</sub>ZnO<sub>2</sub>; dung dịch B chứa z mol Ba(OH)<sub>2</sub> và t mol Ba(AlO<sub>2</sub>)<sub>2</sub> ( trong đó x &lt; 2z). Tiến hành 2 thí nghiệm sau:</span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">TN1: Nhỏ từ từ đến dư dung dịch HCl vào dung dịch A.</span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">TN2: Nhỏ từ từ đến dư vào dung dịch HCl vào dung dịch B.</span></span></span></span></span><br  />
<span style="font-size:10pt"><span style="line-height:normal"><span style="font-family:&#039;Times New Roman&#039;,serif"><span lang="PT-BR" style="font-size:12.5pt"><span style="color:rgb(0, 176, 240);">Kết quả 2 thí nghiệm được biểu diễn trên đồ thị sau:</span></span></span></span></span><br  />
<img alt="" height="368" src="https://khobaitap.com/uploads/news/2020_09/image-20200922221548-3.png" width="793" /><br  />
<span style="font-size:12.5pt"><span style="line-height:106%"><span style="font-family:&#039;Calibri&#039;,sans-serif"><span style="color:rgb(0, 176, 240);">&nbsp;Tính giá trị của x, y, z, t.<br  />
Giải</span></span></span></span><br  />
<img alt="" height="346" src="https://khobaitap.com/uploads/news/2020_09/image_72.png" width="561" />
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